Found (11) clinical trials

Attention men age 18 to 60: Are you overweight and experiencing symptoms such as low energy, reduced sex drive or mood problems? If so, you may have low testosterone levels We're currently seeking men with low testosterone for a research study of an investigational oral medication. Participation is at no ...

This sample collection protocol allows for the identification, recruitment, and participation in women who are pregnant and are known to: 1. be at an increased risk for fetal genetic abnormalities 2. be at increased risk for congenital fetal infection by virtue of being positive by initial screening tests, or are ...

Eligible subjects will provide written informed consent after which basic demographic and clinical data will be collected. Study procedures involve the collection of 50 mL of whole blood at one or more monthly clinic visits (≥25 days apart) from pregnant women (18 to 54 yrs of age) carrying a single ...

The overall significance of this study is to develop a laboratory developed test (LDT) to use a new marker in the maternal blood to better identify pregnancies that have a child with a chromosome abnormality such as Down syndrome (trisomy 21), Edward's syndrome (trisomy 18), Patau syndrome (trisomy 13), Klinefelter ...

Evidence suggests that the gonadal steroids may exert clinically significant effects on central nervous system function. For example, the menstrual cycle may influence the occurrence of seizures in some female epileptics and the performance on certain cognitive tests. Central nervous system effects of gonadal steroids have been inferred largely from ...

CoRDS collects contact, sociodemographic and health information about participants. This information is entered into CoRDS and linked to a unique coded identifier. Below are some examples of information requested on the Questionnaire that will be entered into CoRDS: - Contact information: Name, Mailing Address, Phone Number, Email Address - Sociodemographic ...

The specific aims of this study are: - To identify men and women with hypogonadotropic hypogonadism and to define the spectrum of abnormalities in GnRH secretion in these patients. - To study the physiology and control of the reproductive system in the human male and female. - To determine the ...

Normal reproductive cycles in women require the integrated function of the hypothalamus, pituitary and ovaries. The hypothalamic component of the reproductive system can be assessed directly in lower animal species by measurement of gonadotropin releasing hormone (GnRH) directly from pituitary portal blood and recording of multiunit activity from the median ...

The purpose of this study is to examine the effects of testosterone deficiency in men with diabetes on atherogenesis, inflammation, cardiovascular Risk factors And adiposity . This will be done by comparing the changes in several body response indicators following treatment with testosterone in diabetic men with low testosterone levels ...

Overview: Our work is divided into two main areas of investigation: 1. the discovery of new, yet-undiscovered genes for conditions of early (i.e. precocious) puberty, delayed puberty, absence of pubertal development (i.e. Kallmann syndrome) as well as normal puberty that is accompanied by an altered reproductive system later in life ...